1071661733 has 2 divisors, whose sum is σ = 1071661734. Its totient is φ = 1071661732.

The previous prime is 1071661699. The next prime is 1071661739. The reversal of 1071661733 is 3371661701.

1071661733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 657050689 + 414611044 = 25633^2 + 20362^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071661733 - 2²⁰ = 1070613157 is a prime.

It is a super-2 number, since 2×1071661733² = 2296917739953126578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071661693 and 1071661702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071661739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535830866 + 535830867.

It is an arithmetic number, because the mean of its divisors is an integer number (535830867).

Almost surely, 2^1071661733 is an apocalyptic number.

It is an amenable number.

1071661733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071661733 is an equidigital number, since it uses as much as digits as its factorization.

1071661733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1071661733 is about 32736.2449434873. The cubic root of 1071661733 is about 1023.3383294244.

The spelling of 1071661733 in words is "one billion, seventy-one million, six hundred sixty-one thousand, seven hundred thirty-three".